M1.7 earthquake 12km SSE of Progreso, B.C., MX

A magnitude 1.7 earthquake struck 12km SSE of Progreso, B.C., MX on Sat, Apr 9, 1988, 9:27 PM PDT (04:27 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M2.0 8km SW of Salton City, CA. This one was a foreshock.

Map

Where this earthquake was located, with the others nearby. Select one for its page.

No one has reported feeling this quake to the USGS.

Reviewed by a seismologist.

Distance and direction from each place to the epicenter, with its forecast.

Within 100 km, magnitude 1.5 and up: 175 in the 60 days after this one and 0 in the 30 days before it.

The first 60 of 175.

From the USGS Earthquake Hazards Program and its partner networks, event ci747683. Read Wed, Sep 23, 2026, 9:26 AM UTC.